Critical
Operating Systems
✓ Solution Verified by Community (0+ upvotes)
How to fix error 0x00000027 in Windows 11
Bug Check 0x00000027: RDR_FILE_SYSTEM — A problem occurred in the Redirected Drive Buffering SubSystem.
Fix based on community reports and expert analysis. Last verified: 2026-08-12
· How we verify fixes
| Error Code | 0x00000027 |
|---|---|
| Affected System | Windows 11 (Microsoft) |
| Difficulty | Critical |
| Estimated Time | 40 min |
| Requires Admin Rights | ⚠️ Yes |
| Requires Reboot | 🔄 Yes |
Solution Steps
- 1 Check network connectivity: Ensure your PC is connected to the network and can access the network drive. Try pinging the server or accessing a shared folder to confirm.
- 2 Restart your router and PC: Sometimes a simple restart of your network equipment can resolve temporary glitches.
- 3 Update network drivers: Open Device Manager (Win+X → Device Manager), expand 'Network adapters', right-click your network adapter, and select 'Update driver'. You can also download the latest driver from the manufacturer's website.
- 4 Run network troubleshooting: Go to Settings → System → Troubleshoot → Other troubleshooters and run the 'Network Adapter' troubleshooter. This can automatically detect and fix common network issues.
- 5 Check the network drive connection: If the error occurs when accessing a specific network drive, try disconnecting and reconnecting it. Open File Explorer, right-click on the mapped drive, and select 'Disconnect'. Then map it again.
- 6 Run System File Checker: Open Command Prompt as admin and type 'sfc /scannow' to repair any corrupted system files.
- 7 Run DISM tool: Type 'DISM /Online /Cleanup-Image /RestoreHealth' to repair the system image.
- 8 If the error persists, check the event logs: Open Event Viewer (Win+X → Event Viewer) and look for errors related to RDR or network drives. This can give you more specific clues.
🔍 Didn't work? Enter your GPU and CPU for hardware-specific advice:
🔧 Still having issues?
Describe your exact problem to Error Buddy and get a personalized fix in seconds.
🛠️ Try Error Buddy — It's Free